----------------------------------------------------------------------------
--	Ranked Matchmaking AI v1.3 New Structure
--	Author: adamqqq		Email:adamqqq@163.com
----------------------------------------------------------------------------
--------------------------------------
-- General Initialization
--------------------------------------
local utility = require(GetScriptDirectory() .. "/utility")
local ability_item_usage_generic = require(GetScriptDirectory() .. "/ability_item_usage_generic")
local AbilityExtensions = require(GetScriptDirectory() .. "/util/AbilityAbstraction")

local debugmode = false
local npcBot = GetBot()
if npcBot == nil or npcBot:IsIllusion() then
	return
end

local Talents = {}
local Abilities = {}
local AbilitiesReal = {}

ability_item_usage_generic.InitAbility(Abilities, AbilitiesReal, Talents)

local AbilityToLevelUp =
{
	Abilities[1],
	Abilities[3],
	Abilities[1],
	Abilities[3],
	Abilities[1],
	Abilities[5],
	Abilities[2],
	Abilities[1],
	Abilities[3],
	"talent",
	Abilities[3],
	Abilities[5],
	Abilities[2],
	Abilities[2],
	"talent",
	Abilities[2],
	"nil",
	Abilities[5],
	"nil",
	"talent",
	"nil",
	"nil",
	"nil",
	"nil",
	"talent",
}

local TalentTree = {
	function()
		return Talents[2]
	end,
	function()
		return Talents[4]
	end,
	function()
		return Talents[5]
	end,
	function()
		return Talents[8]
	end
}

-- check skill build vs current level
utility.CheckAbilityBuild(AbilityToLevelUp)

function BuybackUsageThink()
	ability_item_usage_generic.BuybackUsageThink();
end

function CourierUsageThink()
	ability_item_usage_generic.CourierUsageThink();
end

function AbilityLevelUpThink()
	ability_item_usage_generic.AbilityLevelUpThink2(AbilityToLevelUp, TalentTree)
end

--------------------------------------
-- Ability Usage Thinking
--------------------------------------
local cast = {}
cast.Desire = {}
cast.Target = {}
cast.Type = {}
local Consider = {}
local CanCast = { utility.NCanCast, function(t)
	return AbilityExtensions:StunCanCast(t, AbilitiesReal[2], false, true)
end, utility.NCanCast, utility.UCanCast, utility.NCanCast }
local enemyDisabled = utility.enemyDisabled

function GetComboDamage()
	return ability_item_usage_generic.GetComboDamage(AbilitiesReal)
end

function GetComboMana()
	return ability_item_usage_generic.GetComboMana(AbilitiesReal)
end

Consider[1] = function()

	local abilityNumber = 1
	--------------------------------------
	-- Generic Variable Setting
	--------------------------------------
	local ability = AbilitiesReal[abilityNumber];

	if not ability:IsFullyCastable() then
		return BOT_ACTION_DESIRE_NONE, 0;
	end

	local CastRange = ability:GetCastRange();
	local Damage = ability:GetAbilityDamage();
	local Radius = ability:GetAOERadius();


	local allys = npcBot:GetNearbyHeroes(1200, false, BOT_MODE_NONE);
	local enemys = npcBot:GetNearbyHeroes(CastRange + 0, true, BOT_MODE_NONE)
	local WeakestEnemy, HeroHealth = utility.GetWeakestUnit(enemys)
	local creeps = npcBot:GetNearbyCreeps(CastRange + 0, true)
	local WeakestCreep, CreepHealth = utility.GetWeakestUnit(creeps)

	--try to kill enemy hero
	if (npcBot:GetActiveMode() ~= BOT_MODE_RETREAT)
	then
		if (WeakestEnemy ~= nil)
		then
			if (CanCast[abilityNumber](WeakestEnemy))
			then
				if -- HeroHealth<=WeakestEnemy:GetActualIncomingDamage(Damage,DAMAGE_TYPE_MAGICAL) or
				(
					HeroHealth <= WeakestEnemy:GetActualIncomingDamage(GetComboDamage(), DAMAGE_TYPE_MAGICAL) and
						npcBot:GetMana() > ComboMana)
				then
					return BOT_ACTION_DESIRE_HIGH, WeakestEnemy:GetLocation();
				end
			end
		end
	end
	--------------------------------------
	-- Mode based usage
	--------------------------------------
	--Last hit
	if (npcBot:GetActiveMode() == BOT_MODE_LANING)
	then
		if (WeakestCreep ~= nil)
		then
			if (
				(ManaPercentage > 0.7 or npcBot:GetMana() > ComboMana * 1.5) and GetUnitToUnitDistance(npcBot, WeakestCreep) >=
					300)
			then
				local locationAoE = npcBot:FindAoELocation(true, false, npcBot:GetLocation(), CastRange, Radius, 0, Damage);
				if (locationAoE.count >= 1) then
					return BOT_ACTION_DESIRE_LOW - 0.02, locationAoE.targetloc;
				end
			end
		end
	end

	if (npcBot:GetActiveMode() == BOT_MODE_LANING)
	then
		if ((ManaPercentage > 0.7 or npcBot:GetMana() > ComboMana * 1.5) and ability:GetLevel() >= 2)
		then
			local locationAoE = npcBot:FindAoELocation(true, true, npcBot:GetLocation(), CastRange, Radius, 0, 0);
			if (locationAoE.count >= 2) then
				return BOT_ACTION_DESIRE_LOW - 0.01, locationAoE.targetloc;
			end
		end
	end

	-- If we're farming and can kill 3+ creeps with LSA
	if (npcBot:GetActiveMode() == BOT_MODE_FARM) then
		local locationAoE = npcBot:FindAoELocation(true, false, npcBot:GetLocation(), CastRange, Radius, 0, Damage);

		if (locationAoE.count >= 4) then
			return BOT_ACTION_DESIRE_MODERATE, locationAoE.targetloc;
		end
	end

	-- If we're pushing or defending a lane and can hit 4+ creeps, go for it
	if (npcBot:GetActiveMode() == BOT_MODE_PUSH_TOWER_TOP or
		npcBot:GetActiveMode() == BOT_MODE_PUSH_TOWER_MID or
		npcBot:GetActiveMode() == BOT_MODE_PUSH_TOWER_BOT or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_TOWER_TOP or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_TOWER_MID or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_TOWER_BOT)
	then
		local locationAoE = npcBot:FindAoELocation(true, false, npcBot:GetLocation(), CastRange, Radius, 0, 0);

		if (locationAoE.count >= 4)
		then
			return BOT_ACTION_DESIRE_MODERATE, locationAoE.targetloc;
		end
	end

	-- If we're going after someone
	if (npcBot:GetActiveMode() == BOT_MODE_ROAM or
		npcBot:GetActiveMode() == BOT_MODE_TEAM_ROAM or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_ALLY or
		npcBot:GetActiveMode() == BOT_MODE_ATTACK)
	then
		local npcTarget = npcBot:GetTarget();

		if (npcTarget ~= nil)
		then
			if (CanCast[abilityNumber](npcTarget))
			then
				return BOT_ACTION_DESIRE_MODERATE, npcTarget:GetLocation();
			end
		end
	end

	return BOT_ACTION_DESIRE_NONE, 0;

end


Consider[2] = function()

	local abilityNumber = 2
	--------------------------------------
	-- Generic Variable Setting
	--------------------------------------
	local ability = AbilitiesReal[abilityNumber];

	if not ability:IsFullyCastable() then
		return BOT_ACTION_DESIRE_NONE, 0;
	end

	local CastRange = ability:GetCastRange();
	local Damage = ability:GetAbilityDamage();


	local allys = npcBot:GetNearbyHeroes(1200, false, BOT_MODE_NONE);
	local enemys = npcBot:GetNearbyHeroes(CastRange + 300, true, BOT_MODE_NONE)
	local WeakestEnemy, HeroHealth = utility.GetWeakestUnit(enemys)
	local creeps = npcBot:GetNearbyCreeps(CastRange + 300, true)
	local WeakestCreep, CreepHealth = utility.GetWeakestUnit(creeps)

	-- Check for a channeling enemy
	for _, enemy in pairs(enemys) do
		if (enemy:IsChanneling() and CanCast[abilityNumber](enemy))
		then
			return BOT_ACTION_DESIRE_HIGH, enemy
		end
	end

	-- If we're in a teamfight, use it on the scariest enemy
	local tableNearbyAttackingAlliedHeroes = npcBot:GetNearbyHeroes(1000, false, BOT_MODE_ATTACK);
	if (#tableNearbyAttackingAlliedHeroes >= 2)
	then

		local npcMostDangerousEnemy = nil;
		local nMostDangerousDamage = 0;

		for _, npcEnemy in pairs(enemys) do
			if (CanCast[abilityNumber](npcEnemy) and not enemyDisabled(npcEnemy))
			then
				local Damage2 = npcEnemy:GetEstimatedDamageToTarget(false, npcBot, 3.0, DAMAGE_TYPE_ALL);
				if (Damage2 > nMostDangerousDamage)
				then
					nMostDangerousDamage = Damage2;
					npcMostDangerousEnemy = npcEnemy;
				end
			end
		end

		if (npcMostDangerousEnemy ~= nil)
		then
			return BOT_ACTION_DESIRE_HIGH, npcMostDangerousEnemy;
		end
	end

	--try to kill enemy hero
	if (npcBot:GetActiveMode() ~= BOT_MODE_RETREAT)
	then
		if (WeakestEnemy ~= nil)
		then
			if (CanCast[abilityNumber](WeakestEnemy))
			then
				if (
					HeroHealth <= WeakestEnemy:GetActualIncomingDamage(Damage, DAMAGE_TYPE_MAGICAL) or
						(
						HeroHealth <= WeakestEnemy:GetActualIncomingDamage(GetComboDamage(), DAMAGE_TYPE_MAGICAL) and
							npcBot:GetMana() > ComboMana))
				then
					return BOT_ACTION_DESIRE_HIGH, WeakestEnemy;
				end
			end
		end
	end

	--------------------------------------
	-- Mode based usage
	--------------------------------------
	-- If we're seriously retreating, see if we can land a stun on someone who's damaged us recently
	if (npcBot:GetActiveMode() == BOT_MODE_RETREAT and npcBot:GetActiveModeDesire() >= BOT_MODE_DESIRE_HIGH)
	then
		local tableNearbyEnemyHeroes = npcBot:GetNearbyHeroes(CastRange, true, BOT_MODE_NONE);
		for _, npcEnemy in pairs(tableNearbyEnemyHeroes) do
			if (npcBot:WasRecentlyDamagedByHero(npcEnemy, 2.0))
			then
				if (CanCast[abilityNumber](npcEnemy) and not enemyDisabled(npcEnemy))
				then
					return BOT_ACTION_DESIRE_HIGH, npcEnemy;
				end
			end
		end
	end

	-- If we're going after someone
	if (npcBot:GetActiveMode() == BOT_MODE_ROAM or
		npcBot:GetActiveMode() == BOT_MODE_TEAM_ROAM or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_ALLY or
		npcBot:GetActiveMode() == BOT_MODE_ATTACK)
	then
		local npcTarget = AbilityExtensions:GetTargetIfGood(npcBot)

		if (npcTarget ~= nil)
		then
			if (
				CanCast[abilityNumber](npcTarget) and not enemyDisabled(npcTarget) and
					GetUnitToUnitDistance(npcBot, npcTarget) < CastRange + 75 * #allys)
			then
				return BOT_ACTION_DESIRE_MODERATE, npcTarget
			end
		end
	end

	return BOT_ACTION_DESIRE_NONE, 0
end

-- -- copied from abyssal_underlord_firestorm
-- Consider[4] = function() --Location AOE Example

-- 	local abilityNumber = 4
-- 	--------------------------------------
-- 	-- Generic Variable Setting
-- 	--------------------------------------
-- 	local ability = AbilitiesReal[abilityNumber];

-- 	if not ability:IsFullyCastable() then
-- 		return BOT_ACTION_DESIRE_NONE, 0;
-- 	end

-- 	local CastRange = ability:GetCastRange();
-- 	local Damage = ability:GetAbilityDamage();
-- 	local Radius = ability:GetAOERadius()
-- 	local CastPoint = ability:GetCastPoint();

-- 	local allys = npcBot:GetNearbyHeroes(1200, false, BOT_MODE_NONE);
-- 	local enemys = npcBot:GetNearbyHeroes(CastRange + 300, true, BOT_MODE_NONE)
-- 	local WeakestEnemy, HeroHealth = utility.GetWeakestUnit(enemys)
-- 	local creeps = npcBot:GetNearbyCreeps(CastRange + 300, true)
-- 	local WeakestCreep, CreepHealth = utility.GetWeakestUnit(creeps)

-- 	--------------------------------------
-- 	-- Global high-priorty usage
-- 	--------------------------------------
-- 	--try to kill enemy hero
-- 	if (npcBot:GetActiveMode() ~= BOT_MODE_RETREAT)
-- 	then
-- 		if (WeakestEnemy ~= nil)
-- 		then
-- 			if (CanCast[abilityNumber](WeakestEnemy))
-- 			then
-- 				if (
-- 					HeroHealth <= WeakestEnemy:GetActualIncomingDamage(Damage, DAMAGE_TYPE_MAGICAL) or
-- 						(
-- 						HeroHealth <= WeakestEnemy:GetActualIncomingDamage(GetComboDamage(), DAMAGE_TYPE_MAGICAL) and
-- 							npcBot:GetMana() > ComboMana))
-- 				then
-- 					return BOT_ACTION_DESIRE_HIGH, WeakestEnemy:GetExtrapolatedLocation(CastPoint);
-- 				end
-- 			end
-- 		end
-- 	end
-- 	--------------------------------------
-- 	-- Mode based usage
-- 	--------------------------------------
-- 	-- If we're farming and can kill 3+ creeps with LSA
-- 	if (npcBot:GetActiveMode() == BOT_MODE_FARM) then
-- 		local locationAoE = npcBot:FindAoELocation(true, false, npcBot:GetLocation(), CastRange, Radius, 0, Damage);

-- 		if (locationAoE.count >= 3) then
-- 			return BOT_ACTION_DESIRE_LOW, locationAoE.targetloc;
-- 		end
-- 	end

-- 	-- If my mana is enough,use it at enemy
-- 	if (npcBot:GetActiveMode() == BOT_MODE_LANING)
-- 	then
-- 		if (ManaPercentage > 0.6)
-- 		then
-- 			local locationAoE = npcBot:FindAoELocation(true, false, npcBot:GetLocation(), CastRange, Radius, 0, Damage);
-- 			if (locationAoE.count >= 4) then
-- 				return BOT_ACTION_DESIRE_LOW, locationAoE.targetloc;
-- 			end
-- 		end
-- 	end

-- 	-- If my mana is enough,use it at enemy
-- 	if (npcBot:GetActiveMode() == BOT_MODE_LANING)
-- 	then
-- 		if (ManaPercentage > 0.6 and ability:GetLevel() >= 2)
-- 		then
-- 			local locationAoE = npcBot:FindAoELocation(true, true, npcBot:GetLocation(), CastRange, Radius, 0, Damage);
-- 			if (locationAoE.count >= 2) then
-- 				return BOT_ACTION_DESIRE_LOW, locationAoE.targetloc;
-- 			end

-- 			if (WeakestEnemy ~= nil)
-- 			then
-- 				if (CanCast[abilityNumber](WeakestEnemy))
-- 				then
-- 					return BOT_ACTION_DESIRE_LOW, WeakestEnemy:GetExtrapolatedLocation(CastPoint);
-- 				end
-- 			end
-- 		end
-- 	end

-- 	-- If we're pushing or defending a lane and can hit 4+ creeps, go for it
-- 	if (npcBot:GetActiveMode() == BOT_MODE_PUSH_TOWER_TOP or
-- 		npcBot:GetActiveMode() == BOT_MODE_PUSH_TOWER_MID or
-- 		npcBot:GetActiveMode() == BOT_MODE_PUSH_TOWER_BOT or
-- 		npcBot:GetActiveMode() == BOT_MODE_DEFEND_TOWER_TOP or
-- 		npcBot:GetActiveMode() == BOT_MODE_DEFEND_TOWER_MID or
-- 		npcBot:GetActiveMode() == BOT_MODE_DEFEND_TOWER_BOT)
-- 	then
-- 		local locationAoE = npcBot:FindAoELocation(true, false, npcBot:GetLocation(), CastRange, Radius, 0, 0);

-- 		if (locationAoE.count >= 4)
-- 		then
-- 			return BOT_ACTION_DESIRE_LOW, locationAoE.targetloc;
-- 		end
-- 	end

-- 	-- If we're going after someone
-- 	if (npcBot:GetActiveMode() == BOT_MODE_ROAM or
-- 		npcBot:GetActiveMode() == BOT_MODE_TEAM_ROAM or
-- 		npcBot:GetActiveMode() == BOT_MODE_DEFEND_ALLY or
-- 		npcBot:GetActiveMode() == BOT_MODE_ATTACK)
-- 	then
-- 		local locationAoE = npcBot:FindAoELocation(true, true, npcBot:GetLocation(), CastRange, Radius, 0, 0);
-- 		if (locationAoE.count >= 2) then
-- 			return BOT_ACTION_DESIRE_LOW, locationAoE.targetloc;
-- 		end

-- 		local npcEnemy = npcBot:GetTarget();

-- 		if (npcEnemy ~= nil)
-- 		then
-- 			if (CanCast[abilityNumber](npcEnemy))
-- 			then
-- 				return BOT_ACTION_DESIRE_HIGH, npcEnemy:GetExtrapolatedLocation(CastPoint);
-- 			end
-- 		end
-- 	end

-- 	return BOT_ACTION_DESIRE_NONE, 0;

-- end

Consider[5] = function()

	local abilityNumber = 5
	--------------------------------------
	-- Generic Variable Setting
	--------------------------------------
	local ability = AbilitiesReal[abilityNumber];

	if not ability:IsFullyCastable() then
		return BOT_ACTION_DESIRE_NONE, 0;
	end

	local CastRange = 600
	local Damage = ability:GetAbilityDamage();


	local allys = npcBot:GetNearbyHeroes(1200, false, BOT_MODE_NONE);
	local enemys = npcBot:GetNearbyHeroes(CastRange + 300, true, BOT_MODE_NONE)
	local WeakestEnemy, HeroHealth = utility.GetWeakestUnit(enemys)
	local creeps = npcBot:GetNearbyCreeps(CastRange + 300, true)
	local WeakestCreep, CreepHealth = utility.GetWeakestUnit(creeps)
	local towers = npcBot:GetNearbyTowers(CastRange + 300, true)
	local towers2 = npcBot:GetNearbyTowers(CastRange + 300, false)

	--try to kill enemy hero
	if (npcBot:GetActiveMode() ~= BOT_MODE_RETREAT)
	then
		if (WeakestEnemy ~= nil)
		then
			if (CanCast[abilityNumber](WeakestEnemy))
			then
				if (
					HeroHealth <= WeakestEnemy:GetActualIncomingDamage(Damage, DAMAGE_TYPE_MAGICAL) or
						(
						HeroHealth <= WeakestEnemy:GetActualIncomingDamage(GetComboDamage(), DAMAGE_TYPE_MAGICAL) and
							npcBot:GetMana() > ComboMana))
				then
					return BOT_ACTION_DESIRE_HIGH
				end
			end
		end
	end

	--------------------------------------
	-- Mode based usage
	--------------------------------------
	local tableNearbyAttackingAlliedHeroes = npcBot:GetNearbyHeroes(1000, false, BOT_MODE_ATTACK);
	if (#tableNearbyAttackingAlliedHeroes >= 2)
	then

		local npcMostDangerousEnemy = nil;
		local nMostDangerousDamage = 0;

		for _, npcEnemy in pairs(enemys) do
			if (CanCast[abilityNumber](npcEnemy) and not enemyDisabled(npcEnemy))
			then
				local Damage2 = npcEnemy:GetEstimatedDamageToTarget(false, npcBot, 3.0, DAMAGE_TYPE_ALL);
				if (Damage2 > nMostDangerousDamage)
				then
					nMostDangerousDamage = Damage2;
					npcMostDangerousEnemy = npcEnemy;
				end
			end
		end

		if (npcMostDangerousEnemy ~= nil)
		then
			return BOT_ACTION_DESIRE_HIGH
		end
	end

	-- If we're pushing or defending a lane and can hit 4+ creeps, go for it
	if (npcBot:GetActiveMode() == BOT_MODE_PUSH_TOWER_TOP or
		npcBot:GetActiveMode() == BOT_MODE_PUSH_TOWER_MID or
		npcBot:GetActiveMode() == BOT_MODE_PUSH_TOWER_BOT or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_TOWER_TOP or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_TOWER_MID or
		npcBot:GetActiveMode() == BOT_MODE_DEFEND_TOWER_BOT)
	then
		if (#towers + #towers2 >= 1)
		then
			return BOT_ACTION_DESIRE_LOW + 0.01
		end
	end
	return BOT_ACTION_DESIRE_NONE, 0
end

AbilityExtensions:AutoModifyConsiderFunction(npcBot, Consider, AbilitiesReal)

function AbilityUsageThink()

	-- Check if we're already using an ability
	if (npcBot:IsUsingAbility() or npcBot:IsChanneling() or npcBot:IsSilenced())
	then
		return
	end

	ComboMana = GetComboMana()
	AttackRange = npcBot:GetAttackRange()
	ManaPercentage = npcBot:GetMana() / npcBot:GetMaxMana()
	HealthPercentage = npcBot:GetHealth() / npcBot:GetMaxHealth()

	cast = ability_item_usage_generic.ConsiderAbility(AbilitiesReal, Consider)
	---------------------------------debug--------------------------------------------
	if (debugmode == true)
	then
		ability_item_usage_generic.PrintDebugInfo(AbilitiesReal, cast)
	end
	ability_item_usage_generic.UseAbility(AbilitiesReal, cast)
end

function CourierUsageThink()
	ability_item_usage_generic.CourierUsageThink()
end
